Display screen or portion thereof with an animated graphical user interface



FIG. 1 is a front view of a first image in a sequence for a firstembodiment of a display screen or portion thereof with an animatedgraphical user interface;

FIG. 2 is a front view of a second image thereof;

FIG. 3 is a front view of a third image thereof;

FIG. 4 is a front view of a fourth image thereof;

FIG. 5 is a front view of a fifth image thereof;

FIG. 6 is a front view of a sixth image thereof;

FIG. 7 is a front view of a first image in a sequence for a secondembodiment of a display screen or portion thereof with an animatedgraphical user interface;

FIG. 8 is a front view of a second image thereof;

FIG. 9 is a front view of a third image thereof;

FIG. 10 is a front view of a fourth image thereof;

FIG. 11 is a front view of a fifth image thereof;

FIG. 12 is a front view of a sixth image thereof;

FIG. 13 is a front view of a first image in a sequence for a thirdembodiment of a display screen or portion thereof with an animatedgraphical user interface;

FIG. 14 is a front view of a second image thereof;

FIG. 15 is a front view of a third image thereof;

FIG. 16 is a front view of a fourth image thereof;

FIG. 17 is a front view of a fifth image thereof;

FIG. 18 is a front view of a sixth image thereof;

FIG. 19 is a front view of a seventh image thereof;

FIG. 20 is a front view of an eighth image thereof;

FIG. 21 is a front view of a ninth image thereof;

FIG. 22 is a front view of a tenth image thereof;

FIG. 23 is a front view of an eleventh image thereof;

FIG. 24 is a front view of a first image in a sequence for a fourthembodiment of a display screen or portion thereof with an animatedgraphical user interface;

FIG. 25 is a front view of a second image thereof;

FIG. 26 is a front view of a third image thereof;

FIG. 27 is a front view of a fourth image thereof;

FIG. 28 is a front view of a fifth image thereof;

FIG. 29 is a front view of a sixth image thereof;

FIG. 30 is a front view of a seventh image thereof;

FIG. 31 is a front view of an eighth image thereof;

FIG. 32 is a front view of a ninth image thereof;

FIG. 33 is a front view of a tenth image thereof; and,

FIG. 34 is a front view of an eleventh image thereof.

The appearance of the animated user interface sequentially transitionsbetween the images shown in FIGS. 1-6, in FIGS. 7-12, in FIGS. 13-23,and in FIGS. 24-34. The process or period in which an image transitionsinto another image forms no part of the claimed design. The broken lineshowing of the display screen or portion thereof and graphical elementswithin the display screen illustrates unclaimed environment and forms nopart of the claimed design.

CLAIM The ornamental design for a display screen or portion thereof withan animated graphical user interface, as shown and described.